Addressfinder MCP server for AI agents and assistants

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Addressfinder MCP or direct API to verify addresses, validate email and phone numbers, enrich data, and check data quality through natural language.

Addressfinder logoAddressfinder
Api Key

Addressfinder is a data quality platform for verifying addresses, emails, and phone numbers. It helps you ensure accurate customer and contact data every time.

17 Tools

Try Addressfinder now

Type what you want done — sign in and watch it run live in the Tool Router playground.

TOOL ROUTER PLAYGROUND
Addressfinder
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TOOLS

Supported Tools

Every Addressfinder action and event your agent gets out of the box.

AU Address Autocomplete

Tool to perform interactive search of Australian addresses from the AddressFinder database.

Get AU Address Metadata

Tool to retrieve full metadata for an Australian address selected from the Address Autocomplete API.

AU Address Verification

Tool to verify Australian addresses against PAF/GNAF databases.

AU Location Autocomplete

Tool to perform interactive autocomplete search for Australian streets, suburbs, and states.

Get AU Location Metadata

Tool to retrieve comprehensive metadata for an Australian location (street, suburb, or state) selected from the Location Autocomplete API.

Email Verification API

Tool to verify email addresses including syntax validation, domain existence, and email account verification.

International Address Autocomplete

Tool to search for international addresses using autocomplete functionality.

Get International Address Metadata

Tool to retrieve full metadata for an international address selected from the Address Autocomplete API.

NZ Address Autocomplete

Tool to perform interactive search for New Zealand addresses.

Get NZ Address Metadata

Tool to retrieve full metadata for a NZ address including coordinates, census data, and postal details.

NZ Address Reverse Geocode

Tool to reverse geocode NZ addresses from GPS coordinates.

NZ Address Verification

Tool to verify New Zealand addresses against the Addressfinder database.

NZ Location Autocomplete

Tool to perform interactive search for New Zealand streets, suburbs, cities, and regions.

Get NZ Location Metadata

Tool to retrieve full metadata for a New Zealand location selected from the Location Autocomplete API.

NZ POI Autocomplete

Tool to perform interactive search for points of interest in New Zealand.

Get NZ POI Metadata

Tool to retrieve comprehensive metadata for New Zealand points of interest including coordinates and address details.

Phone Verification API

Tool to verify phone numbers through syntax, range checks, and network verification.

SETUP GUIDE

Connect Addressfinder MCP Tool with your Agent

1

Install Composio

typescript
npm install @composio/core ai @ai-sdk/openai @ai-sdk/mcp
Install the Composio SDK for Python or TypeScript
2

Initialize Client and Create Tool Router Session

typescript
import { Composio } from '@composio/core';

const composio = new Composio({ apiKey: 'your-api-key' });
const session = await composio.create('your-user-id');
console.log(`Tool Router session created: ${session.mcp.url}`);
Import and initialize the Composio client, then create a Tool Router session for Addressfinder
3

Connect to AI Agent

typescript
import { openai } from '@ai-sdk/openai';
import { experimental_createMCPClient as createMCPClient } from '@ai-sdk/mcp';
import { generateText } from 'ai';

const client = await createMCPClient({
  transport: {
    type: 'http',
    url: session.mcp.url,
    headers: {
      'x-api-key': 'your-composio-api-key',
    },
  },
});

const tools = await client.tools();
const { text } = await generateText({
  model: openai('gpt-4o'),
  tools,
  messages: [{
    role: 'user',
    content: 'Validate the address 123 Main St, Springfield, IL.'
  }],
  maxSteps: 5,
});

console.log(`Agent: ${text}`);
Use the MCP server with your AI agent (Anthropic Claude or Mastra)
SETUP GUIDE

Connect Addressfinder API Tool with your Agent

1

Install Composio

typescript
npm install @composio/openai
Install the Composio SDK
2

Initialize Composio and Create Tool Router Session

typescript
import OpenAI from 'openai';
import { Composio } from '@composio/core';
import { OpenAIResponsesProvider } from '@composio/openai';

const composio = new Composio({
  provider: new OpenAIResponsesProvider(),
});
const openai = new OpenAI({});
const session = await composio.create('your-user-id');
Import and initialize Composio client, then create a Tool Router session
3

Execute Addressfinder Tools via Tool Router with Your Agent

typescript
const tools = session.tools;
const response = await openai.responses.create({
  model: 'gpt-4.1',
  tools: tools,
  input: [{
    role: 'user',
    content: 'Validate the address 123 Main St, Springfield, IL.'
  }],
});
const result = await composio.provider.handleToolCalls(
  'your-user-id',
  response.output
);
console.log(result);
Get tools from Tool Router session and execute Addressfinder actions with your Agent

Why Use Composio?

AI Native Addressfinder Integration

  • Supports both Addressfinder MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Addressfinder data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Addressfinder access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Addressfinder
  • Scoped, least privilege access to Addressfinder resources
  • Full audit trail of agent actions to support review and compliance
FAQ

Frequently asked questions

Yes, Addressfinder requires you to configure your own API key. Once set up, Composio handles secure credential storage and API request handling for you.

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Yes. Composio is SOC 2 Type II compliant and is built to keep your Addressfinder connection and credentials secure. OAuth tokens and API keys are encrypted, and sensitive customer data is protected at rest and in transit.

Composio also undergoes independent security testing and continuously monitors its systems for security threats. You can review the latest reports and policies in the Composio Trust Center.

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Create the key in your Addressfinder account settings, then paste it once on Composio's connection page. Composio stores it encrypted and uses it only for the Addressfinder actions your agent runs. Nobody else in your workspace can read it, and you can revoke it inside Addressfinder at any time.

When you connect a Addressfinder account through Composio, every action runs under that account, so anything the agent creates, sends, or changes shows up in Addressfinder as done by you. Keep an approval step in your prompt for actions with side effects, such as sending or deleting, and have the agent draft first.

Whatever the credentials you connect allow inside Addressfinder. If Addressfinder lets you scope a key to specific permissions, create a scoped one so the agent can only do what you intend. You can revoke the key inside Addressfinder at any time.

Yes. Composio supports multiple connected accounts for the same app, and that works in Claude, ChatGPT, or any other assistant you connect through Composio. Give each Addressfinder connection a name such as work or personal, and the assistant uses the one you mention in the request. Each account keeps its own credentials and nothing is merged.

The connection stops working the moment Addressfinder rejects the old key. Create a new key in Addressfinder and reconnect the account from the Composio dashboard or by asking your agent to reconnect Addressfinder. Nothing else changes.

Composio's free plan includes 100,000 tool calls per month with no credit card, which covers most personal Addressfinder use. Paid plans add higher limits and team features. Your Addressfinder plan and its API limits still apply as usual.

Built-in connectors usually give one AI access to a limited set of apps. Many people use Composio because it lets their AI connect to more apps than it normally supports, or connect to multiple accounts for the same app (e.g. connect Claude to multiple Addressfinder accounts).

With Composio, you connect Addressfinder once and then use it across different AI assistants without setting it up separately in each one. Connect your apps to Composio once, then connect Composio to whichever AI you use, whether that's Claude, ChatGPT, Hermes, or your own custom assistant.

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